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公开(公告)号：US20200066054A1
公开(公告)日：2020-02-27
申请号：US16666429
申请日：2019-10-29
Inventor： YUANQING YIN , GUOXING YU , YIFU QIAO , JINGWEN DAI , JIE HE
Abstract: A method of generating a virtual object includes: capturing an image containing a target marker, wherein the target marker is at least one marker of a plurality of markers, and is within a visual range of the terminal device, and the plurality of markers are arranged at various positions dispersively; acquiring a target spatial position of the target marker relative to the terminal device, based on the image; reading a first spatial position relation between each of the plurality of markers, storing the same in the terminal device, and acquiring a second spatial position relation of a virtual object relative to the plurality of markers; determining a display position of the virtual object, based on the first spatial position relation, the second spatial position relation, and the target spatial position; and generating the virtual object based on the display position.
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公开(公告)号：US20180050264A1
公开(公告)日：2018-02-22
申请号：US15554426
申请日：2015-10-27
Inventor： JIE HE , JINGWEN DAI , TAO ZHU , CONGLING WAN
CPC classification number: A63F13/213 , A63F13/24 , A63F13/25 , A63F13/42 , A63F13/428 , G06T7/262 , G06T7/73 , G06T2207/10152 , G06T2207/30204 , G06T2207/30244 , H04N5/23258 , H04N5/2329
Abstract: A method for identifying one or more light sources may include capturing, via an imaging device, an image, the imaging device having a rolling shutter. The method may also include receiving, via at least one processor, the captured image, and detecting, via the at least one processor, whether the image includes a set of alternating stripes. The method may further include measuring, via the at least one processor, if the image includes a set of alternating stripes, a width of at least one stripe of the set of alternating stripes included in the captured image, and identifying, via the at least one processor, a light source causing the set of alternating stripes based on the measured width.
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3.发明申请公开(公告)号：US20190138114A1
公开(公告)日：2019-05-09
申请号：US16236488
申请日：2018-12-29
Inventor： SIBIN HUANG , JINGWEN DAI , JIE HE
IPC: G06F3/03 , G06F3/0346 , G06F3/01 , G06T7/70
Abstract: The present disclosure provides a method and a device for aligning a coordinate of a controller or a headset with a coordinate of a binocular system. The method includes: obtaining pose data of the controller; acquiring real-time coordinate data in a binocular coordinate system during a repeating movement of the controller based on a light spot emitted from the controller; generating a motion track of the controller during the movement based on the real-time coordinate data and the pose data; obtaining a pose of the controller in controller coordinate system based on the motion track; obtaining a first angle between the positive direction of the controller coordinate system and a positive direction of the binocular coordinate system; and correcting the binocular coordinate system based on the first angle until the angle reaches zero. The method and device for aligning coordinates is easy to be implemented with low cost.
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公开(公告)号：US20180005406A1
公开(公告)日：2018-01-04
申请号：US15636432
申请日：2017-06-28
Inventor： JINGWEN DAI , YONGTAO HU , JIE HE
IPC: G06T7/70 , G06K9/46 , G06T5/20 , H01L27/146 , G06T7/11
CPC classification number: G06T7/70 , G06K9/46 , G06K9/4604 , G06T5/20 , G06T7/11 , G06T7/73 , G06T2207/10024 , H01L27/14621 , H01L27/14645 , H01L27/14649
Abstract: An electronic tracking device includes an image sensor and a processor is provided. The image sensor is configured for sensing a raw image of an object. The object emits a color visible light and an infrared light. The image sensor includes a color filter array so as to sense the color visible light and the infrared light through the color filter array to acquire the raw image. The color filter array includes at least one color filter channel and an infrared filter channel. The processor is configured for processing the raw image so that the identity and the spatial position of the object are determined in accordance with the raw image. An electronic tracking system and method are also provided. By electronic tracking device, system and method, the accurate identification and tracking of objects can be obtained, thereby generating reliable and timely input to VR systems and/or applications.
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公开(公告)号：US20200090365A1
公开(公告)日：2020-03-19
申请号：US16687699
申请日：2019-11-19
Inventor： YONGTAO HU , GUOXING YU , JINGWEN DAI
Abstract: A method of device tracking is provided. Based on a captured image containing a marker, first spatial position is acquired. Based on a captured image of a scene, second spatial position is acquired. Based on at least one of the first spatial position and the second spatial position, a terminal device may be positioned and tracked.
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Patent Agency Ranking
公开(公告)号：US20190137276A1
公开(公告)日：2019-05-09
申请号：US16236478
申请日：2018-12-29
Inventor： YONGTAO HU , JINGWEN DAI , JIE HE
Abstract: An alignment method is provided. A first 3D position and a first IMU calculation 3D position of a position object with an IMU is determined when the IMU enters a steady state. A second 3D position and a second IMU calculation 3D position of the position object is determined when the IMU exits the steady state. A first relative vector is determined based on the first 3D position and the second 3D position. A second relative vector is determined based on the first IMU calculation 3D position and the second IMU calculation 3D position. A rotation matrix is determined based on the first relative vector and the second first relative vector. A coordinate system of the position device is aligned with a coordinate system of the IMU based on the rotation matrix. An electronic device and a non-transitory computer readable storage medium are also provided.
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公开(公告)号：US20200209712A1
公开(公告)日：2020-07-02
申请号：US16231620
申请日：2018-12-24
Inventor： YONGTAO HU , JINGWEN DAI , JIE HE
IPC: G03B7/16 , H05B47/125 , H04N5/235
Abstract: The present disclosure provides a method and device for identifying a flashing light source. The method includes as follows. A processor obtains an image captured via a rolling shutter image sensor, the rolling shutter image sensor capturing an image of an environmental background, wherein the environmental background may include movable flashing light sources. A processor obtains stripe sets in the image, wherein the stripe sets can be obtained by capturing the flashing light sources via the rolling shutter image sensor. A processor takes a center of each stripe set as a reference point, and samples along a first direction to obtain n sampling points. A processor identifies the flashing light source by processing the n sampling points. With this disclosure, the identifying automatically of the flashing light source can be achieved.
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公开(公告)号：US20200043242A1
公开(公告)日：2020-02-06
申请号：US16601556
申请日：2019-10-14
Inventor： YONGTAO HU , SIBIN HUANG , JINGWEN DAI , JIE HE
IPC: G06T19/00 , G06F3/01 , G06F3/0481 , G02B27/01 , G06T19/20 , A63F13/213
Abstract: An interactive method comprises: obtaining a first spatial position of the first terminal device relative to a marker; determining a first display position of a first virtual object in virtual space according to the first spatial position; receiving interaction data sent from a second terminal device, wherein the interaction data includes model data of a second virtual object and a second spatial position of the second virtual object relative to a marker; determining a second display position of the second virtual object in virtual space according to the first spatial position and the second spatial position; generating the first virtual object according to the first display position, and the second virtual object according to the data of the second virtual object and the second display position; and displaying the first virtual object and the second virtual object.
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公开(公告)号：US20190384419A1
公开(公告)日：2019-12-19
申请号：US16314400
申请日：2017-08-16
Inventor： WEI LI , BISHENG RAO , JINGWEN DAI , JIE HE
IPC: G06F3/0346 , G06F3/01 , G06T7/246 , A63F13/24 , A63F13/213
Abstract: The disclosure discloses a handheld controller, a tracking method and a tracking system. The handheld controller can include a handle and a support. The handle can include an input device for detecting an input operation of a user. The support is coupled to the handle. The support can include an exterior surface with an identification pattern. In the tracking method, the imaging device captures an image of the identification pattern; the electronic device tracks and positions the handheld controller based on the identification pattern. In the disclosure, the handheld controller can be provided with the identification pattern. Such that tracking and positioning the handheld controller can be realized. It can avoid providing the light source and avoids controlling a frequency of the light source. Such that a structure of the handheld controller can be simplified, and costs can be reduced. In addition, there is no need to adjust parameters of the imaging device to track the controller with the light source, and an operation for controlling the imaging device can be simplified.
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公开(公告)号：US20190180452A1
公开(公告)日：2019-06-13
申请号：US15839838
申请日：2017-12-12
Inventor： JIE HE , JINGWEN DAI , CONGLING WAN , YONGTAO HU
CPC classification number: G06T7/248 , G06K9/6218 , G06T5/002 , G06T5/20 , G06T7/11 , G06T7/136 , G06T7/187 , G06T7/60 , G06T7/66 , G06T7/73 , G06T7/74 , G06T2207/10004 , G06T2207/30204 , G06T2207/30232 , G06T2207/30241
Abstract: Embodiments of the disclosure provide an image processing apparatus and an image processing method for positioning and identifying signals sources. The image processing apparatus includes an imaging device to capture an image containing a set of pixels, wherein the set of pixels comprises a first subset of pixels representing a plurality of stripes associated with the multiple signal sources; a memory to store the image; a positioning device to determine positions of the multiple signal sources according to the stripes; and an identity determining device to determine identities of the multiple signal sources.
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